Chau Nguyen

**** ******** **

Allen, TX *****

Cell: 214-***-****

Email: aduwl0@r.postjobfree.com

US Citizen

SUMMARY:

Over 15 years of strong experience in Testing and System Integration on Telecommunications and Networking Software, AWS, current working on telematic solution in vehicle for services I-call, SOS, ACN and parent control services, remote services.

Expertise in complete STLC (Software Testing Life-Cycle) that includes analyzing requirements, writing/reviewing test cases, exploring engineering builds, analyzing & debugging through error logs, performing functional/Integration and automation testing of VMS.

Have contributed to various STLC stages, respond to various functional/regression & test automation tasks promptly with hands on testing by executing test cases.

Strong ability to work as a team member, share resources and flexible to accommodate/meet common business/team goals

Experience for testing Mobile apps on Android / IOS OS and or CE devices.

Experiences for testing VoIP and knowledge for VoLTE.

Strong on test tools as Quality Center, Jira, test rail

Strong ability to debug complicated system-level issues.

Strong ability to multi-task, and work under project pressure.

Working with Agile team include sprint and stories.

EDUCATION:

Bachelor of Science in Electronic Engineering, University of Central Florida, Orlando, FL

SKILLS:

C, C ++, UNIX, Linux, FORTRAN, Sun OS, Oracle, SQL, Python script, AWS cloud watch

Applications: Microsoft Word, Excel, MS Access, Power point, Project Central Application, Clear Quest and Clear Case, RF system, wireless system.

LAN/WAN design, VGW, MGCP, GWC, T1/E1 Networking, Tellabs DACs, Tektronix K1205, network analyzers, spectrum analyzers, oscilloscopes, DMMs, logic analyzers, fiber optic measuring devices, power supplies and electronic loads.

PROFESSIONAL EXPERIENCE:

Sirius XM connect vehicle, Irving, Texas May 2011 to present

Sr.Software Quality Assurance Engineering

Responsibilities:

Participate in the Functional Specification and Technical Design reviews. Working on Agile for sprint and stories

Provide inputs regarding functionality and testability of the product telematic solution in vehicle like call services as I-call, SOS, ACN and remote services, parent control.

Familiar with Wireless technologies - CDMA, and GSM. Knowledge of 2 or more of: TCP/IP, SMS, Siebel, SAP, XML, Computer-Telephone Interface, Sybase, SQL, DB2, Perl.

Review project requirements and design documents and extract testable requirements and test exceptions.

Provide inputs during the size and effort estimation process for assigned projects.

Develops Software Test Plans and Test Cases with minimal supervision.

Performs system level testing on software, hardware, Agile team

Experience with test tool as QC (Quality center), QTP, test rail to create test cases

Participates in system integration testing and final validation testing

Executes test cases, and logs test results.

Debugging of HW and SW issues.

Generation of Defect Reports. Track defects through defect resolution, retested and closure.

Configure and maintain test systems.

Increase knowledge base in areas of product functionality, test methodology and test tools.

Nokia Siemens Network, Irving, Texas February 2010 to April 2011

Sr. SIP system integration Engineering

Responsibilities:

SIP integration for iiTV, VoIP, Voice mail, call disposition

Install server IITVG, IITVS, DCA transcoder, operation systems, configure routers, switches, VLAN and SIP application Servers.

Install OS for window, Linux, and Sun.

Create / Maintain & review various functional test scripts for Set Top box UI, Backend / Web services testing.

Hand on STB testing with Motorola, Cisco model

Provisioning Total Manage TM (Myrio) for Live TV stream, VOD.

Knowledge for Verware tool for testing WIFI

Working in depth system application manager for manages PC, IPAD, Android phone, I-phone.

Verify handset Android, I-Phone, Ipad with testing for Voice, video, live TV and VOD include support parent control.

Experience with test tool as QC (Quality center), QTP, ClearQuest to create test cases

Creating and review test plan, test cases, conditions and/or scenarios. Report test outcomes by collecting, analyzing, summarizing and displaying data recommending software change and documenting test results in quality center. Fulfilling quality assurance role throughout a full product life cycle.

TAC3 support for IITV solution.

AT&T, King of Prussia, PA December 2009

Sr. MSN provisioning Engineer

Responsibilities:

Worked on LTE with 2G to 3G UMTS Packet Core and Switches Network Architecture.

Extensive knowledge in UMTS layer 2 switching concepts, layer 3 IP routing protocols, ATM, and Transport connectivity such as T1, DS3, OC3, OC12 and OC48.

Provisioning for MSC, BSC and RNC for Nortel, Ericsson and NSN

Full working knowledge of AT&T/Ericsson MOPs, and configurations templates VC mapping, QoS Parameters, ATM and IMA Group configurations, Traffic Descriptors, and implementation documentation.

Understands Ericsson TND, Nortel CIQ, Engineering Design Package (EDP) from ATT for MSN (Tellabs and ALU boxes) and DACS (Tellabs).

Help teams to perform network optimization and network performance audits.

Ability to solve complex problems that require substantial analysis and investigation related to network and system performance.

AT&T, Richardson, Texas August 2007

Sr. Quality Testing Engineer

Responsibilities:

Special testing VoIP, IPTV, Data and Wireless 3G.

Developed test beds, test plan, test procedures, test cases (include TL1, NBI), MOPs, ATP and new features base on documentation customer requirements.

Create / Maintain & review various functional test scripts for Set Top box UI, Backend / Web services testing.

Hand on STB testing with Motorola, Cisco model

Understanding of common protocols, e.g. LDAP, SMTP, DNS, Routing Protocols.

Review business and functional requirements and wire frames for consumer facing eCommerce Web site.

Creating and review test plan, test cases, conditions and/or scenarios. Report test outcomes by collecting, analyzing, summarizing and displaying data recommending software change and documenting test results in quality center. Fulfilling quality assurance role throughout a full product life cycle.

Working with team member in resolving problems and completing projects.

Work with development team to drive all defects and design changes from discovery or inception to resolution.

Testing with different network provider as Ericsson, Alcatel- Lucent and Tellabs for FTTP, FTTC, FTTN, FTTGP and GPON.

Tellabs Inc, Dallas, Texas May 2007

Sr. System Integration Tester

Responsibilities:

Experienced products CDMA, GSM, 3G-UMTS.

Understanding UMTS layer 2 switching concepts and layer3 IP routing protocols.

Create / Maintain & review various functional test scripts for Set Top box UI, Backend / Web services testing

Knowledge tool Veriware for testing WIFI validates upstream and downstream to test performance.

Experience in analyzing and troubleshooting UMTS transport network and performance issues.

Experienced in call processing, SIP messages, SIP call control, (P-CSCF, I-CSCF, S-CSCF) Media Handling protocol included Register, Adhoc call, Adhoc group call, pre-arrange group call, Talk burst message.

Experienced EMS GUI to provision, configuration and writing with Test Design Specification and Test Cases Specification for installation operation system Testing Voice Gateway, SIP, VoIP, Performance monitor, NBI, TL1 command.

Experienced in testing tool download software, uploads the executables to hardware card, and configures the systems; providing failure analysis and correct failure related test data (Data.log, System.log, statistical, performance).

Interacted with Software Development team when receive problems or tracking problems. Keep team informed about any problems seen while testing, drive test tool (TEMS).

Experienced Switch testing, hands on testing with VoIP, VoATM, Voice networks using H.323, and voice response systems (T1/E1, SNMP) and deploys automated test voice products (SS7, ISDN, VGW, MGCP, GWC, H.248, AIN, Cisco).

Experience with test tool as QC (Quality center), QTP, ClearQuest to create test cases

DSET Inc, Plano, Texas July 1999 to August 2001

Sr. System Integration Tester

Responsibilities:

Develop system test plan, test procedures, test cases, Install software applications

Experience with test tool as Qc (Quality center), QTP, ClearQuest to create test cases

Customer support for system I-LSMS and LSMS, setup network testing from customer Care from I-LSMS to STP.

Developed UAT test plan, test procedures/scripts, test verification (automation and manual) based on test requirements extracted from hardware and software functional specifications, and product required documents.

Developed C/UNIX for coding, debugging, and testing (SUN, HP 9000/3070). Working knowledge of LabView, LabWindow environment.

Experienced SoftSwitch testing hands on testing, voice response systems (T1/E1, SNMP) and deploys automated test voice products (SS7, ISDN, VGW).

Alcatel-Lucent, Plano, Texas March 1997 to July 1999

Sr. System Integration Tester

Responsibilities:

Experienced developing test procedures, test cases, debug, Y2k compliance and install software for operation system (SUN OS and Solaris 5.1), Communication Platform for SCP Megahub, Next Generation SCP. Working on Tandem SCP/HLR and SMSC for installation and testing protocol, TCAP Performance, MML, short messages, IS-41C package. Integration and test of large high level software, automated using TAPI, Test Expert in SUN workstation.

Worked on system ATM, Frame Relay.

Worked on OC-3, M1:3 multiplex with 28 DS-1 and DS-3. Experienced in Digital Loop Carriers (DLC), PBX, T-1 Multiplex, Route, Network.

Integration and test a large Software/Network Management Systems, testing of Switching Systems and Network Protocols (SS7, TCP/IP, ISDN, SONET) Worked as both an individual contributor and as part of -disciplinary teams.

Excellent communication skill and flexibility in job assignments.

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